Rainbow Electronics W90N740 - Manual (Page 126)

W90N740
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7.6.2.5 CNTx [10:8]: Number of Entry x Hit Packets to be processed
Default value: 0x0
The register is read-only, to indicate that how many packet is hit with entry x and still not processed by
NAT. When a new packet is hit with entry x, the corresponding entry counter, CNTx, will increase. On
the other hand, when a packet hit with entry x is process, the corresponding CNTx will be decrease.
Nop [7]: Packet Nop bit
Default value: 0
Set this bit to receive current hit packet as usual. The Rx descriptor will be updated for this packet and
set the Nop bit in descriptor. This bit will be valid while Discard[6]=0.
Discard [6]: Packet Discard bit
Default value: 0
Set this bit to automatically discard current hit packet. The Rx descriptor will not be updated for this
packet. It is applicable for IP filter.
Inverse [5]: Inverse Comparison and Replacement bit
Default value: 0
Set this bit to change comparison and replacement field in packets. For example, at the WAN port,
destination address and port {DA, DP} is compared for inverse bit (I bit) clear. If I bit is set, source
address and port {SA, SP} is compared instead of {DA, DP}. It is applicable for IP filter.
PxRE [4]: Port Number Replacement Enable at Entry x
Default value: 0
Set the bits to selectively enable port number replacement at the entry location. This bit is valid when
ExEN is set.
AxRE [3]: IP Address Replacement Enable at Entry x
Default value: 0
Set the bits to selectively enable IP address replacement at the entry location. This bit is valid when
ExEN is set.
PxCE [2]: Port Number Comparison Enable at Entry x
Default value: 0
Set the bits to selectively enable port number comparison at the entry location. This bit is valid when
ExEN is set.
AxCE [1]: IP Address Comparison Enable at Entry x
Default value: 0
Set the bits to selectively enable IP address comparison at the entry location. This bit is valid when
ExEN is set.